mirror of https://github.com/GeyserMC/Geyser.git
60 lines
2.6 KiB
Java
60 lines
2.6 KiB
Java
/*
|
|
* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*
|
|
* @author GeyserMC
|
|
* @link https://github.com/GeyserMC/Geyser
|
|
*/
|
|
|
|
package org.geysermc.geyser.util;
|
|
|
|
import com.github.steveice10.mc.protocol.data.game.entity.attribute.Attribute;
|
|
import com.github.steveice10.mc.protocol.data.game.entity.attribute.AttributeModifier;
|
|
import com.github.steveice10.mc.protocol.data.game.entity.attribute.ModifierOperation;
|
|
|
|
public class AttributeUtils {
|
|
/**
|
|
* Retrieve the base attribute value with all modifiers applied.
|
|
* <a href="https://minecraft.wiki/w/Attribute#Modifiers">See here</a>
|
|
* @param attribute The attribute to calculate the total value.
|
|
* @return The finished attribute with all modifiers applied.
|
|
*/
|
|
public static double calculateValue(Attribute attribute) {
|
|
double base = attribute.getValue();
|
|
for (AttributeModifier modifier : attribute.getModifiers()) {
|
|
if (modifier.getOperation() == ModifierOperation.ADD) {
|
|
base += modifier.getAmount();
|
|
}
|
|
}
|
|
double value = base;
|
|
for (AttributeModifier modifier : attribute.getModifiers()) {
|
|
if (modifier.getOperation() == ModifierOperation.ADD_MULTIPLIED_BASE) {
|
|
value += base * modifier.getAmount();
|
|
}
|
|
}
|
|
for (AttributeModifier modifier : attribute.getModifiers()) {
|
|
if (modifier.getOperation() == ModifierOperation.ADD_MULTIPLIED_TOTAL) {
|
|
value *= 1.0D + modifier.getAmount();
|
|
}
|
|
}
|
|
return value;
|
|
}
|
|
}
|